Hi Doug!
     
     There will be a session on Impedance Spectroscopy at the Nepcon West 
     Conference February 23-28. The session will be looking at several 
     different aspects of the technology. Here is what tentatively 
     scheduled as papers:
     
        1. A General Overview of IS Technology
     
        2. AC IS Evaluation of Polymer Thick Film Resistor Inks
     
        3. AC IS For Plastic Component Hermeticity Qualification
     
        4. Gauge R&R Studies of IS tests on Solder Paste
     
        5. Use of IS for Evaluating Environmental Impact on Solder Paste
     
        6. Analyzing Residue Materials Using AC IS Techniques
     
     
     I believe that the above presentations/papers are in the AC Impedance 
     realm rather than the DC Impedance realm but some of the presenters 
     are looking at DC applications too. Give me a call and we can discuss 
     further.
     
     
     Dave Hillman
     Rockwell Collins
     [log in to unmask]
     
     


______________________________ Reply Separator _________________________________
Subject: Impedance Spectroscopy
Author:  [log in to unmask] at ccmgw1
Date:    12/3/96 10:31 PM


Good afternoon all.
     
I had a discussion this morning with a customer regarding the relative merits 
of DC-based SIR testing vs. the newer impedance spectroscopy, which is 
AC-based.  I know of it and the basic operating theory, but not much more.
 Is there anyone in the TechNet crowd who has started to use impedance
spectroscopy as a research or production tool? Or more to the point, willing 
to share information on this new tool?  I think it is an exciting concept. 
Thanks for any input.
     
Doug Pauls
CSL
     
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